3126938651 has 2 divisors, whose sum is σ = 3126938652. Its totient is φ = 3126938650.

The previous prime is 3126938627. The next prime is 3126938663. The reversal of 3126938651 is 1568396213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3126938651 - 2⁶ = 3126938587 is a prime.

It is not a weakly prime, because it can be changed into another prime (3126938681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563469325 + 1563469326.

It is an arithmetic number, because the mean of its divisors is an integer number (1563469326).

Almost surely, 2^3126938651 is an apocalyptic number.

3126938651 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126938651 is an equidigital number, since it uses as much as digits as its factorization.

3126938651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 44.

The square root of 3126938651 is about 55919.0365707422. The cubic root of 3126938651 is about 1462.3111346051.

The spelling of 3126938651 in words is "three billion, one hundred twenty-six million, nine hundred thirty-eight thousand, six hundred fifty-one".